Troubleshooting Waukesha Cherry-Burrell
Page 72 95-03009 10/2010
PROBLEM POSSIBLE CAUSE SUGGESTED ACTION
Motor Overload Liquid heavier or more viscous than
rating
Contact your Waukesha Cherry-Burrell customer
service representative for sizing information.
WCB Customer Service:
1-800-252-5200 or 262-728-1900
Overload heaters too small for motor Inspect and replace as necessary.
Electrical supply, voltage, frequency,
incorrect
Adjust voltage and frequency. Change motor if
necessary.
Impel
ler diameter too large for duty Contact your Waukesha Cherry-Burrell customer
service
rep
resentative for sizing information.
WCB Customer Service:
1-800-252-5200 or 262-728-1900
Defective motor Replace motor.
Vibration/Noise Pump not level Make sure all legs are touching the floor. Level
pump
.
Piping not supported Support all piping as described in the installation
section.
Starved suction/Supply line blocked Shut down pump
and rem
ove blockage.
Foreign material in pump Disassemble pump, remove all
foreign material
and inspect for damage. Replace worn/damaged
parts.
Starved suction/Insufficient NPSH (Net
Positive Suction Head) available
Adjust system to provide correct NPSH.
Impeller hub/impeller shaft worn Disassemble pump and inspect for damage.
Re
place worn parts.
Impeller shaft loose or bent Disassemble pump and inspect for damage.
Impeller out of balance Disassemble pump and inspect for damage.
Replace impeller.
Motor bearings worn Disassemble motor and inspect for damage.
R
e
place worn parts.
Starved suction/supply line too long Shorten system supply line.
Starved suction/supply line too small Install larger supply lines.
Excessive air in material Adjust system to remove excess
air from material
before it reaches the pump.
Rapid Seal Wear Incorrect impeller shaft location;
excessive spring loading
Adj
ust pump alignment to motor and piping.
Water hammer Adjust system to reduce air in system and sudden
st
arts or stops in flow.
Impeller shaft loose or bent Disassemble pump and inspect for damage.
Repla
ce worn/damaged parts.
Abrasive product Contact your Waukesha Cherry-Burrell customer
service rep
resentative for sizing information.
WCB Customer Service:
1-800-252-5200 or 262-728-1900
To Next Page
Loading...
